CN109569511A - Acid washed activated Carbon fibe and active carbon loading silver fiber producing processes and filter/circle - Google Patents
Acid washed activated Carbon fibe and active carbon loading silver fiber producing processes and filter/circle Download PDFInfo
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- CN109569511A CN109569511A CN201811522838.1A CN201811522838A CN109569511A CN 109569511 A CN109569511 A CN 109569511A CN 201811522838 A CN201811522838 A CN 201811522838A CN 109569511 A CN109569511 A CN 109569511A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/20—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising free carbon; comprising carbon obtained by carbonising processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/14—Other self-supporting filtering material ; Other filtering material
- B01D39/20—Other self-supporting filtering material ; Other filtering material of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires
- B01D39/2055—Carbonaceous material
- B01D39/2065—Carbonaceous material the material being fibrous
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/0203—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of metals not provided for in B01J20/04
- B01J20/0233—Compounds of Cu, Ag, Au
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
- B01J20/28014—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their form
- B01J20/28023—Fibres or filaments
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/3085—Chemical treatments not covered by groups B01J20/3007 - B01J20/3078
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Abstract
The invention discloses a kind of acid washed activated Carbon fibes and active carbon loading silver fiber producing processes and filter/circle, are widely used in the chemical products production process such as lithium battery electrolytes, electrolysis additive, can effectively decolourize and remove organic matter in chemical liquid.It through pickling and carries silver process treated that active carbon loading silver fibre sheet material is further processed into adapts to various forms of water purification products, be largely used in the fields such as drinking water water purification and bathroom water purification.The preparation of the acid washed activated Carbon fibe of the present invention improves the adsorption activity of activated carbon fibre the following steps are included: raw material prepare, high-temperature boiling is washed, rinsing is dehydrated, distilled water cleans and is dried.The preparation of active carbon loading silver fiber includes carrying silver complexing, covering non-woven fabrics, molding and edge sealing process, with preferable antibacterial activity, activated carbon fibre through pickling and load silver is two-sided to cover non-woven fabrics, in addition edge sealing is handled, the slight fiber inside activated carbon fibre can be effectively prevent to influence the adsorption activity of activated carbon fibre with liquid discharge.
Description
Technical field
The invention belongs to active carbon preparation fields, and in particular to a kind of acid washed activated Carbon fibe and active carbon loading silver fiber system
Preparation Method and filter/circle.
Background technique
For active carbon due to pore structure abundant and huge specific surface area, absorption property is good, can be used for gas suction
In the fields such as attached, effects of ion and organic matter absorption, catalyst carrier, capacitor, electrode material.Activated carbon fibre category third
For carbonaceous adsorbent material, large specific surface area, the de- ability of suction are strong, and application form includes the diversified forms such as silk, felt, cloth that are chopped, because
This has more wide application space.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of preparation methods of acid washed activated Carbon fibe, improve active carbon fibre
The adsorption activity of dimension.
In order to solve the above technical problems, the present invention adopts the following technical scheme that: a kind of preparation side of acid washed activated Carbon fibe
Method, the activated carbon fibre are specifically made by following steps:
(1) raw material prepare；
(2) high-temperature boiling is washed: acid solution is proportionally added in 100 DEG C of water, is stirred evenly, adjusting pH value to 2-3, then put into
Quantitative activated carbon fibre boils under the conditions of 100 DEG C and washes 25~25min；
(3) rinsing dehydration: it will boil and wash complete active carbon fibre Wesy tap water rinse dehydration, rinse 3~5 times repeatedly, rinsing is extremely
Activated carbon fibre pH value is 6~7；
(4) distilled water or pure water cleaning: will rinse dewatered activated carbon fibre and clean again in distilled water or pure water,
Dehydration；
(5) dry: the good activated carbon fibre of cleaning and dewatering is dry, and moisture is less than 20%.
Further, the high-temperature boiling of the step (2) washes the acid solution used as hydrochloric acid, nitric acid, sulfuric acid, carbonic acid, hydrogen fluorine
One of acid is a variety of.
Further, the high-temperature boiling is washed, rinses dehydration, distilled water cleans and drying steps are complete in pickling system
At；The pickling system includes cylinder, the electromagnetic induction heating coil for being connected to high frequency electric source, rotating electric machine, acid solution storage
Tank, triple valve, pump one and pump two；
The cylinder includes outer barrel and inner cylinder；The outer barrel is sealing drum；On outer barrel setting distillation water inlet and
Common water inlet；The fixed rotating electric machine in one end of outer barrel, the output end of rotating electric machine are connect by shaft coupling with shaft, shaft
It is fixedly connected across outer barrel with inner cylinder；Openable sealing door body is arranged in the other end of outer barrel；
Several through-holes for drainage are arranged in the outer wall of the inner cylinder；Door is being arranged with the same side of outer barrel in inner cylinder
Body；
The electromagnetic induction heating coil is wrapped in the periphery of inner cylinder, and thermally conductive wing is uniformly distributed on the inside of the inner cylinder
Piece；
The upper and lower part of the outer barrel is respectively arranged with acid solution entrance and liquid outlet；The liquid outlet passes through pump one
Triple valve is connected, other two outlet of the triple valve is separately connected drainpipe and acid tube, and acid tube connects acid solution storage
Tank；
The top setting acid-adding port of the acid solution storage tank and filler；Acid discharge mouth one and acid discharge mouth two is arranged in bottom；Acid solution is deposited
The periphery of storage tank is also provided with the electromagnetic induction heating coil for being connected to high frequency electric source；The acid discharge mouth one passes through pump two and outer cylinder
Acid solution entrance connection on body；Acid solution is sent to post-processing by acid discharge mouth two.
Further, the acid discharge mouth two is sequentially connected acid liquor filter and pump two.
The present invention also provides a kind of methods for preparing active carbon loading silver fiber using acid washed activated Carbon fibe, improve active carbon
The adsorption activity of fiber has preferable antibacterial activity, and this method comprises the following steps:
(1) it carries out the acid washed activated Carbon fibe after drying to carry silver-colored complexing, silver nitrate is standby by the concentration investment of 1:100 with ammonium hydroxide
With it in acid washed activated Carbon fibe, is allowed full of mixing and reacting fusion, according to material processing amount, the reaction time is about that 30-40 divides
Active carbon loading silver fiber is made in clock；It is rinsed cleaning repeatedly again, until pH value is neutrality, is obtained after being dried after being dehydrated and carry silver
Activated carbon fibre；
(2) it covers non-woven fabrics: covering non-woven fabrics in the tow sides of active carbon loading silver fiber, activated carbon fibre semi-finished product are made；
(3) it forms: the semi-finished product of step (2) being required to cut according to technique, required shape is made；
(4) edge sealing: the activated carbon fibre edge after being cut using hot melt adhesive carries out edge sealing processing
Further, the step (1) can be with are as follows: by the activated carbon fibre through overpickling, be put into silver ion solution；So
It is rinsed, is dehydrated with deionized water afterwards, the active carbon for having adsorbed silver ion is dried into 10~30min at 90~150 DEG C.
Further, the silver ion solution includes following component: nano-silver powder 100-1000ppm, citric acid 0.1-
5wt%, sodium peroxydisulfate 0.1-0.6 wt%, polyvinylpyrrolidone 0.1-3 wt%.
The present invention also provides a kind of filter/circle, by pickling, carry silver complexing treated activated carbon fibre by cutting and
It is made after edge sealing processing.
Beneficial effects of the present invention: activated carbon fibre of the invention removes the ash content in activated carbon fibre by pickling, mentions
The adsorption activity of high activity Carbon fibe, later period are overloaded silver-colored complexing and are handled, and Argent grain is in conjunction with activated carbon fibre；With preferable
Antibacterial activity, the two-sided covering non-woven fabrics of activated carbon fibre can be effectively prevented impurity and enter activated carbon fibre in addition edge sealing is handled
Adsorption activity that is internal and influencing activated carbon fibre.
Detailed description of the invention
It, below will be to needed in the embodiment in order to more clearly illustrate the technical solution in the embodiment of the present invention
Attached drawing is simply introduced, it should be apparent that, the accompanying drawings in the following description is only some embodiments recorded in the present invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is the structural schematic diagram of pickling system of the present invention.
Specific embodiment
Technical solution of the present invention will be clearly and completely described by specific embodiment below.
Embodiment 1
A kind of preparation method of activated carbon fibre, activated carbon fibre are specifically made by following steps:
(1) raw material prepare；
(2) high-temperature boiling is washed: acid solution is proportionally added in 100 DEG C of water, is stirred evenly, adjusting pH value to 2-3, then put into
Quantitative activated carbon fibre boils under the conditions of 100 DEG C and washes 25~25min；The acid solution used is hydrochloric acid, nitric acid, sulfuric acid, carbon
One of acid, hydrofluoric acid are a variety of；
(3) rinsing dehydration: it will boil and wash complete active carbon fibre Wesy tap water rinse dehydration, rinse 3~5 times repeatedly, rinsing is extremely
Activated carbon fibre pH value is 6~7；
(4) distilled water or pure water cleaning: will rinse dewatered activated carbon fibre and clean again in distilled water (pure water),
Dehydration；
(5) dry: the good activated carbon fibre of cleaning and dewatering is dry, and moisture is less than 20%；
It goes sufficiently to remove ash content, miscellaneous point of activated carbon fibre (ACF) with through pickling, drying, in addition to the absorption for chemical products
It is outer with decoloration, after reprocessing, it can be used for the fields such as Domestic water purifying processing and air cleaning.
High-temperature boiling of the invention is washed, rinses dehydration, distilled water cleans and drying steps are completed in pickling system.
As shown in Figure 1, pickling system of the invention include cylinder, the electromagnetic induction heating coil 3 for being connected to high frequency electric source,
Rotating electric machine 4, acid solution storage tank 5, triple valve 6, pump 1 and pump 28.Cylinder includes outer barrel 1 and inner cylinder 2；1 He of outer barrel
Inner cylinder 2 is coaxially disposed.Outer barrel 1 is sealing drum；Setting distillation water inlet 11 and common water inlet 12 on outer barrel 1；Outer cylinder
The fixed rotating electric machine 4 in one end of body, the output end of rotating electric machine 4 are connect by shaft coupling with shaft 41, and shaft 41 passes through outer cylinder
Body 1 is fixedly connected with one end of inner cylinder 2；Openable sealing door body 13 is arranged in the other end of outer barrel 1.Outside inner cylinder 2
Several through-holes 21 for drainage are arranged in wall；Door body 22 is being arranged with phase the same side of outer barrel in inner cylinder 2.Electromagnetic induction heating
Coil 3 is wrapped in the periphery of inner cylinder, and heat shield body can be set in outside.The inside of inner cylinder 2 is uniformly distributed heat transmission fin 23.
The upper and lower part of outer barrel 1 is respectively arranged with acid solution entrance 14 and liquid outlet 15；The liquid outlet 15 passes through pump 1
Triple valve 6 is connected, other two outlet of triple valve 6 is separately connected drainpipe 9 and acid tube 10, and acid tube 10 connects acid solution and deposits
Storage tank 5.The top setting acid-adding port 51 of acid solution storage tank 5 and filler 52；Acid discharge mouth 1 and acid discharge mouth 2 54 is arranged in bottom；
The periphery of acid solution storage tank 5 is also provided with the electromagnetic induction heating coil 3 for being connected to high frequency electric source；The acid discharge mouth 1 passes through
28 are pumped to connect with the acid solution entrance 14 on outer barrel 1；Acid liquor filter 55 is also set up between acid discharge mouth 1 and pump two.
It is additionally provided with temperature-detecting device 16 in outer barrel and acid solution storage tank, is provided with outside outer barrel for showing temperature
The display 17 of degree.
It is provided with air-dried blower 18 in outer barrel of the invention, induced duct 19, the end of induced duct are provided on outer barrel
End cover 20 is set.Air-dried blower 18 can be set multiple.
Pickling process is as follows:
1) be then heated to 100% from into 52 acid solution storage tank 5 of filler plus water first, add a certain concentration hydrochloric acid or
Person adjusts pH value 2-3, stirs evenly, at the same time, preprepared activated carbon fibre is put into inner cylinder, active carbon
Fiber occupies 2/3rds or so of inner cylinder volume；It is then shut off the door body of inner cylinder and outer barrel；Outer barrel is heated to 100
Degree Celsius；
2) acid solution in acid solution storage tank 5 is pumped into outer barrel by pump two, submerges inner cylinder, acid solution storage tank 5 stops
Heating, outer barrel are kept the temperature at 100 degrees Celsius；Rotating electric machine drives inner cylinder rotation, soaking time 30min；Motor speed tune
Position 30-60r/min；
3) outer barrel stops heating, and acid solution is pumped into acid solution storage tank 5 by pump two, and the acid solution in acid solution storage tank 5 can basis
It needs to add, or adjusts pH value；
4) add water into outer barrel, the activated carbon fibre after pickling is washed, rotating electric machine drives inner cylinder not in water-washing process
Disconnected rotation；Motor rotates forward 10s, then inverts 10s, so recycles；
5) waste water after washing is discharged regulating three-way valve after washing；
6) rotating electric machine drives inner cylinder rotating, centrifugal dehydration；
7) step 4) is repeated to 6) 3-5 times, until activated carbon fibre pH value is 6-7；
8) add distilled water into outer barrel, the activated carbon fibre after rinsing is cleaned, rotating electric machine drives in cleaning process
Inner cylinder constantly rotates；Motor rotates forward 10s, then inverts 10s, so circulation 10-20min, after waste water is discharged after centrifugal dehydration；
9) sealing cover in the door body and induced duct 19 of outer barrel is opened；Several air-permeating holes are set in the door body of inner cylinder；Then
The blower 18 on the inside of outer barrel is opened, heated-air drying is carried out, rotating electric machine drives inner cylinder rotation during heated-air drying.
The content of ashes of activated carbon fibre of the present invention is less than 0.05%.
Activated carbon fibre of the invention removes the ash content in activated carbon fibre by pickling, improves the absorption of activated carbon fibre
Activity, later period are overloaded silver-colored complexing and are handled, and Argent grain is in conjunction with activated carbon fibre；With preferable antibacterial activity, active carbon fibre
Two-sided covering non-woven fabrics is tieed up, in addition edge sealing is handled, impurity can be effectively prevented and enter inside activated carbon fibre and influence active carbon
The adsorption activity of fiber.
Embodiment 2
A kind of preparation method of active carbon loading silver fiber of the invention, includes the following steps:
(1) it carries silver complexing: carrying out the acid washed activated Carbon fibe after drying to carry silver-colored complexing.One of main technique scheme: by nitric acid
Silver and ammonium hydroxide are put by the concentration of 1:100 in spare acid washed activated Carbon fibe, allow it full of mixing and reacting fusion, according to material
Expect treating capacity, the reaction time is about 30-40 minutes, so that active carbon loading silver fiber be made.Cleaning is rinsed repeatedly again, until PH
Value is neutrality, obtains active carbon loading silver fiber after drying after being dehydrated.
(2) cover non-woven fabrics: covering non-woven fabrics in the tow sides of active carbon loading silver fiber, be made activated carbon fibre half at
Product；
(3) it forms: the semi-finished product of step (2) being required to cut according to technique, required shape is made；
(4) edge sealing: the activated carbon fibre edge after being cut using hot melt adhesive carries out edge sealing processing.
Carrying silver-colored complexation approach can be with are as follows: the activated carbon fibre after pickling is put into the silver-colored solution of load and is impregnated；Then it spends
The active carbon for having adsorbed silver ion is dried 10~30min by ionized water rinsing, dehydration at 90~150 DEG C.The silver ion
Solution can also be following component: nano-silver powder 100-1000ppm, citric acid 0.1-5wt%, sodium peroxydisulfate 0.1-0.6 wt%,
Polyvinylpyrrolidone 0.1-3 wt%.
Load silver solution of the invention has good bactericidal effect, when dilute sample is 25ppm, to Escherichia coli, golden yellow
The killing rate of color staphylococcus and Candida albicans has all reached 99.6% or more；Through dilute sample be 5ppm when, to large intestine
Bacillus sterilizing rate reaches 99.98% or more, reaches 98.9% or more to staphylococcus aureus sterilizing rate.
After the present invention carries silver complexing, the silver carrying amount of activated carbon fibre is 0.13%；Argent grain and activated carbon fibre binding force
Height, 150r/min vibrate in 25 DEG C of thermostatted waters, and after 600 hours, silver-colored turnover rate is 8%.
Embodiment 3
A kind of filter/circle of the invention by pickling, carries silver complexing treated activated carbon fibre by cutting and edge sealing is handled
After be made.
Embodiment described above is only that the preferred embodiment of the present invention is described, not to design of the invention
It is defined with range, without departing from the design concept of the invention, ordinary engineering and technical personnel is to this hair in this field
The all variations and modifications that bright technical solution is made should all fall into protection scope of the present invention, claimed skill of the invention
Art content is all documented in technical requirements book.
Claims (8)
1. a kind of preparation method of acid washed activated Carbon fibe, it is characterised in that: the activated carbon fibre specifically passes through following step
It is rapid to be made:
(1) raw material prepare；
(2) high-temperature boiling is washed: acid solution is proportionally added in 100 DEG C of water, is stirred evenly, adjusting pH value to 2-3, then put into
Quantitative activated carbon fibre boils under the conditions of 100 DEG C and washes 25~25min；
(3) rinsing dehydration: it will boil and wash complete active carbon fibre Wesy tap water rinse dehydration, rinse 3~5 times repeatedly, rinsing is extremely
Activated carbon fibre pH value is 6~7；
(4) distilled water or pure water cleaning: will rinse dewatered activated carbon fibre and clean again in distilled water or pure water,
Dehydration；
(5) dry: the good activated carbon fibre of cleaning and dewatering is dry, and moisture is less than 20%.
2. a kind of preparation method of acid washed activated Carbon fibe according to claim 1, it is characterised in that: the step (2)
High-temperature boiling wash the acid solution that uses as one of hydrochloric acid, nitric acid, sulfuric acid, citric acid, carbonic acid, hydrofluoric acid, phosphoric acid or a variety of.
3. a kind of preparation method of acid washed activated Carbon fibe according to claim 1, it is characterised in that: the high-temperature boiling
It washes, rinse dehydration, distilled water cleans and drying steps are completed in pickling system；The pickling system includes cylinder, connects
It is connected to electromagnetic induction heating coil, rotating electric machine, acid solution storage tank, triple valve, pump one and the pump two of high frequency electric source；
The cylinder includes outer barrel and inner cylinder；The outer barrel is sealing drum；On outer barrel setting distillation water inlet and
Common water inlet；The fixed rotating electric machine in one end of outer barrel, the output end of rotating electric machine are connect by shaft coupling with shaft, shaft
It is fixedly connected across outer barrel with inner cylinder；Openable sealing door body is arranged in the other end of outer barrel；
Several through-holes for drainage are arranged in the outer wall of the inner cylinder；Door is being arranged with the same side of outer barrel in inner cylinder
Body；
The electromagnetic induction heating coil is wrapped in the periphery of inner cylinder, and thermally conductive wing is uniformly distributed on the inside of the inner cylinder
Piece；
The upper and lower part of the outer barrel is respectively arranged with acid solution entrance and liquid outlet；The liquid outlet passes through pump one
Triple valve is connected, other two outlet of the triple valve is separately connected drainpipe and acid tube, and acid tube connects acid solution storage
Tank；
The top setting acid-adding port of the acid solution storage tank and filler；Acid discharge mouth one and acid discharge mouth two is arranged in bottom；Acid solution is deposited
The periphery of storage tank is also provided with the electromagnetic induction heating coil for being connected to high frequency electric source；The acid discharge mouth one passes through pump two and outer cylinder
Acid solution entrance connection on body；Acid solution is sent to post-processing by acid discharge mouth two.
4. a kind of preparation method of acid washed activated Carbon fibe according to claim 3, it is characterised in that: the acid discharge mouth two
It is sequentially connected acid liquor filter and pump two.
5. a kind of method for preparing active carbon loading silver fiber using acid washed activated Carbon fibe described in claim 1, feature exist
In: include the following steps:
(1) it carries out the acid washed activated Carbon fibe after drying to carry silver-colored complexing, silver nitrate is standby by the concentration investment of 1:100 with ammonium hydroxide
With it in acid washed activated Carbon fibe, is allowed full of mixing and reacting fusion, according to material processing amount, the reaction time is about that 30-40 divides
Active carbon loading silver fiber is made in clock；It is rinsed cleaning repeatedly again, until pH value is neutrality, is obtained after being dried after being dehydrated and carry silver
Activated carbon fibre；
(2) it covers non-woven fabrics: covering non-woven fabrics in the tow sides of active carbon loading silver fiber, activated carbon fibre semi-finished product are made；
(3) it forms: the semi-finished product of step (2) being required to cut according to technique, required shape is made；
(4) edge sealing: the activated carbon fibre edge after being cut using hot melt adhesive carries out edge sealing processing.
6. the method according to claim 5 for preparing active carbon loading silver fiber, it is characterised in that: the step (6)
It can be with are as follows: by the activated carbon fibre through overpickling, be put into silver ion solution；Then it is rinsed with deionized water, is dehydrated, will adsorb
The active carbon of silver ion dry 10~30min at 90~150 DEG C.
7. the preparation method of a kind of pickling according to claim 6, active carbon loading silver fiber, it is characterised in that: described
Silver ion solution includes following component: nano-silver powder 100-1000ppm, citric acid 0.1-5wt%, sodium peroxydisulfate 0.1-0.6
Wt%, polyvinylpyrrolidone 0.1-3 wt%.
8. a kind of filter/circle, it is characterised in that: by pickling, carry silver complexing treated activated carbon fibre by cutting and sealing
It is made after the processing of side.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110624501A (en) * | 2019-08-28 | 2019-12-31 | 江苏中科睿赛污染控制工程有限公司 | Adsorbent for strengthening radon removal and adsorption purification device |
| CN112012008A (en) * | 2020-07-21 | 2020-12-01 | 苏州远浩新纺织科技有限公司 | Silver-carrying antibacterial activated carbon fiber and preparation method thereof |
| CN113245292A (en) * | 2021-04-20 | 2021-08-13 | 福建韩研环保科技有限公司 | Assembly line type activated carbon pickling and washing integrated machine |
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